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JEE Advanced Physics — practice by topic

Browse 1,732 questions across 54 Physics topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Semiconductor Electronics (95)Wave Optics (94)Unit 2A: Newton's Laws and Translational Equilibrium (92)Atoms and Nuclei (88)Ray Optics and Optical Instruments (88)Electric Charges and Fields (82)Current Electricity (70)Laws of Motion (67)Gravitation (64)Work, Energy and Power (64)Moving Charges and Magnetism (62)Unit 1C: Kinematics: Relative & Circular Motion (59)Dual Nature of Radiation and Matter (58)Kinetic Theory & Oscillations (58)Unit 2B: Friction, Gravitational and Normal Forces (57)Thermal Properties of Matter & Thermodynamics (55)Unit 3A: Work and Kinetic Energy Theorem (47)Motion in a Plane (45)Units, Measurements and Motion in a Straight Line (45)Mechanical Properties of Solids and Fluids (37)System of Particles and Rotational Motion (34)Electromagnetism (32)Kinetic Theory of Gases (32)Unit 1A: Kinematics: 1D Motion, Position & Velocity (32)Electromagnetic Induction (29)Electromagnetic Waves (28)Ray Optics (27)Ray and Wave Optics (24)Physics and Measurement (23)Units and Measurement (23)Waves (23)Semiconductors (21)Magnetism and Matter (20)Waves & Oscillations (20)Magnetism (18)Nuclei (18)Kinetic Theory (14)States of Matter (14)Thermodynamics & Kinetic Theory (14)Electrostatics (10)Equipotential Surfaces (10)Static Electricity (10)Atoms (6)Alternating Current (5)Dual Nature of Matter (4)Force, Pressure & Fluids (4)Magnetism & EMI (4)Modern Physics (2)Newton's Laws of Motion (2)Physics (2)Rotational Motion (2)Systems of Particles and Rotational Motion (2)Mechanical Properties of Fluids (1)Mechanical Properties of Solids (1)

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Kirchhoff's Voltage Law is based on conservation ofRead the answer and worked solution →According to Kirchhoff's Voltage Law, the algebraic sum of all potential differences around a closed loop isRead the answer and worked solution →Kirchhoff's Current Law is a direct consequence of conservation ofRead the answer and worked solution →If $S=f(t)$ is the displacement of a particle moving in a straight line, then acceleration isRead the answer and worked solution →

Worked practice questions

Kirchhoff's Voltage Law is based on conservation of

  1. charge
  2. energy
  3. mass
  4. electric field only at nodes
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Correct answer: B. energy

KVL is based on conservation of energy. As a test charge goes around a closed loop, the net change in electric potential energy must be zero.

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According to Kirchhoff's Voltage Law, the algebraic sum of all potential differences around a closed loop is

  1. equal to the total current in the loop
  2. always positive
  3. zero
  4. equal to the resistance of the loop
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Correct answer: C. zero

Kirchhoff's Voltage Law states that the algebraic sum of all emfs and voltage drops around any closed loop is zero. This expresses conservation of energy in circuits.

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Kirchhoff's Current Law is a direct consequence of conservation of

  1. energy
  2. charge
  3. momentum
  4. resistance
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Correct answer: B. charge

KCL follows from conservation of charge. Since charge cannot accumulate indefinitely at an ideal junction, the total current entering must equal the total current leaving.

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